 /*******************************************************************************
  * Copyright (c) 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal;

 import org.eclipse.core.expressions.PropertyTester;

 /**
  * Tests various workbench window properties.
  *
  * @since 3.3
  *
  */
 public class WorkbenchWindowPropertyTester extends PropertyTester {

     private static final String PROPERTY_IS_COOLBAR_VISIBLE = "isCoolbarVisible"; //$NON-NLS-1$
 private static final String PROPERTY_IS_PERSPECTIVEBAR_VISIBLE = "isPerspectiveBarVisible"; //$NON-NLS-1$

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object,
      * java.lang.String, java.lang.Object[], java.lang.Object)
      */
     public boolean test(Object receiver, String property, Object [] args,
             Object expectedValue) {
         
         if (args.length == 0 && receiver instanceof WorkbenchWindow) {
             boolean defaultExpectedValue = true;
             if (expectedValue != null) {
                 if (expectedValue instanceof Boolean )
                     defaultExpectedValue = ((Boolean ) expectedValue).booleanValue();
                 else
                     return false; // cant work with anything else
 }
             final WorkbenchWindow window = (WorkbenchWindow) receiver;
             if (PROPERTY_IS_COOLBAR_VISIBLE.equals(property)) {
                 return defaultExpectedValue == window.getCoolBarVisible();
             } else if (PROPERTY_IS_PERSPECTIVEBAR_VISIBLE.equals(property)) {
                 return defaultExpectedValue == window.getPerspectiveBarVisible();
             }
         }
         return false;
     }
 }

